1

Mainframe Systems Programmer Jobs in Missouri (NOW HIRING)

Serving a global client base, Atos offers Consulting & Systems Integration, Managed Services & BPO ... mainframe equipment, network equipment, tape equipment in a raised floor data center environment ...

... existing systems and design effective modernization strategies. The role provides exposure to ... The role requires a combination of engineering skills, client collaboration, and solution-oriented ...

Field Engineer? Service Technician? Or do you want to start a career in this field? Are you tech ... Service electromechanical equipment like self-checkout systems within an assigned territory

Field Engineer? Service Technician? Or do you want to start a career in this field? Are you tech ... Perform maintenance, repair, PM work, and system overhauls. Basic Qualifications to qualify:

Field Engineer? Service Technician? Or do you want to start a career in this field? Are you tech ... Perform maintenance, repair, PM work, and system overhauls. Basic Qualifications to qualify:

Showing results 41-56

Mainframe Systems Programmer information

See Missouri salary details

$9

$54

$73

How much do mainframe systems programmer jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for mainframe systems programmer in Missouri is $54.57, according to ZipRecruiter salary data. Most workers in this role earn between $49.62 and $63.12 per hour, depending on experience, location, and employer.

What does a mainframe systems programmer do?

As a mainframe systems programmer, your responsibilities are to maintain an organization’s server computer, also called a mainframe computer. Your duties include handling server configuration, as well as installing, upgrading, and customizing the operating system and other software necessary for running the server and its databases. You also work with other IT professionals with the planning of security measures to protect the mainframe and routinely perform tests for bugs and other security issues.

What are some common challenges mainframe systems programmers face when maintaining legacy systems?

Mainframe Systems Programmers often encounter challenges related to supporting and upgrading legacy systems that may have limited documentation or use outdated programming languages. Navigating compatibility issues with newer hardware or software can require creative problem-solving and deep technical expertise. Additionally, ensuring system security and reliability while performing upgrades or patches involves careful planning and collaboration with other IT and business teams. Staying current with evolving mainframe technologies and practices is essential for long-term success in the role.

What is the difference between Mainframe Systems Programmer vs Mainframe Application Developer?

AspectMainframe Systems ProgrammerMainframe Application Developer
CredentialsTypically requires certifications like IBM Certified Systems ProgrammerOften requires programming certifications or specific language expertise
Work EnvironmentWorks primarily on system-level tasks, OS, and hardware interactionsFocuses on developing and maintaining applications on mainframe platforms
Employer & Industry UsageCommon in large enterprises with mainframe infrastructureAlso in large organizations, but more application-focused
Job FocusSystem configuration, performance tuning, and maintenanceApplication coding, testing, and deployment

The Mainframe Systems Programmer primarily manages system-level tasks, ensuring the mainframe environment runs efficiently, while the Mainframe Application Developer focuses on creating and maintaining applications. Both roles are essential in mainframe environments but differ in their technical focus and responsibilities.

What is a mainframe systems programmer?

Mainframe Systems Programmers are IT professionals responsible for installing, configuring, maintaining, and troubleshooting mainframe computer systems and software. They ensure that the mainframe environment runs efficiently, securely, and reliably, supporting critical business operations. Their duties often include system upgrades, performance tuning, applying patches, and collaborating with other IT teams to resolve complex technical issues. Mainframe Systems Programmers play a key role in organizations that rely on large-scale transaction processing, such as banks, insurance companies, and government agencies.

What are the key skills and qualifications needed to thrive as a mainframe systems programmer, and why are they important?

To thrive as a Mainframe Systems Programmer, you need expertise in system programming, operating systems like z/OS, and strong problem-solving abilities, usually supported by a degree in computer science or related field. Familiarity with mainframe tools such as IBM z/OS utilities, JCL, REXX, and experience with system monitoring and performance tuning software are commonly required. Attention to detail, analytical thinking, and effective communication skills help ensure smooth collaboration and troubleshooting. These skills are essential to maintain, optimize, and secure critical enterprise computing environments that rely on mainframe infrastructure.
What are popular job titles related to Mainframe Systems Programmer jobs in Missouri? For Mainframe Systems Programmer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Mainframe Systems Programmer jobs in Missouri look for? The top searched job categories for Mainframe Systems Programmer jobs in Missouri are:
Infographic showing various Mainframe Systems Programmer job openings in Missouri as of August 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 100% In-person job distribution, with an average salary of $113,505 per year, or $54.6 per hour.

Principal Consultant - Endpoint Security | Remote, USA

Optiv Security, Inc.

Kansas City, MO • Remote

$134K - $184K/yr

Full-time

Re-posted 6 hours ago


Job description

This position will be fully remote and can be hired anywhere in the continental U.S

The Principal Consultant will be pivotal to problem definition and discovery of the overall solution and guide teams on project processes, deliverables. This individual will drive the technical relationship with our customers and partners by providing advanced architecture, implementation and operational support.

Acts as overall industry leaders and leaders of technical excellence providing exceptional services and support to strategic clients setting the bar for others to aspire to.

How you'll make an impact

  • Work with customers to help them articulate their business requirements and how those requirements translate into security features and functionality.

  • Assist with development of cyber engagement plans for customers which will enable them to execute upon strategies.

  • Rationalize different security solutions against requirements, risk, and constraints.

  • Recognized expert across multiple solution areas

  • Able to deliver and lead other consultants in complex projects

  • Able to present to large groups. Speaks as an authority.

  • Can handle difficult questions and consistently wins support from client audiences.

  • Can modify and change methodologies as required.

  • Broad awareness of the security/ technology space as a whole

  • Contributor to industry groups and/or publications

What we're looking for

  • Bachelor's degree and approximately 10-15 years of related work experience.

  • Approximately 8-10 years of technical architecture experience

  • Expertise with implementation, administration, and maturation of Endpoint Detection and Response (EDR) Mobile Device Management (MDM) and Application Control technologies

  • Primary Expertise with Microsoft Defender and Intune (Microsoft On-Prem Services and Cloud Services)

  • Experience with CrowdStrike, SentinelOne, Tanium, Microsoft

  • Desirable experience within one or more of the following Security Architecture and/or Enterprise Architectural Frameworks (e.g. SABSA, TOGAF, O-ESA).

  • Very knowledgeable of multiple security concepts and methods such as vulnerability assessments, data classification, privacy assessments, incident response, security policy creation, enterprise security strategies, architectures and governance.

  • Understand the Services business and impact decisions have to the organization holistically

  • Strong understanding of networking (TCP/IP, OSI model), operating system fundamentals (Windows, UNIX, mainframe), security technologies (firewalls, IDS/IPS, etc.) and application programming/scripting languages (C, Java, Perl, Shell).

  • Strong understanding of regulatory requirements and compliance issues affecting clients related to privacy and data protection, such as PCI DSS, GLBA, Basel II, EU Data Protection Directive, International Cross Border, and U.S. State Data Privacy Laws.

  • Technical architecture experience integrating data protection software into clients' infrastructure; network architecture design, implementation and administration.

  • Working knowledge of operating systems, virtual machine environments, mainframe security packages, and relational database management systems.

  • Willingness to travel to meet client needs

  • Valid driver's license in the US and a valid passport required

  • The successful candidate must hold or be willing to pursue related professional certifications such as the CISSP, CISM, and/or CISA.

  • Strong interpersonal skills

  • Strong written and presentational skills; ability to clearly communicate complex messages to a variety of audiences

  • Possess high standard of integrity and confidentiality

  • #LI-GN1

Salary Range Description

$134,600.00 - $184,500.00 Annual

The Hiring Range provided for this role is informed by (but not limited to) various factors including responsibilities of the position, work experience, education/training, internal peer equity, geography, as well as other market influences when extending an offer. The disclosed range has not been adjusted for these factors. This role may also be eligible to participate in a variable incentive-based bonus plan. Optiv offers a comprehensive compensation and benefits package, of which salary is a component.

Job Application Window

This position accepts applicants for a minimum of 4 business days after the job posting date and will remain available until an applicant has been selected for the position.

What you can expect from Optiv

  • A company committed to our inclusive value through our Employee Resource Groups

  • Work/life balance

  • Professional training resources

  • Creative problem-solving and the ability to tackle unique, complex projects

  • Volunteer Opportunities. "Optiv Chips In" encourages employees to volunteer and engage with their teams and communities.

  • The ability and technology necessary to productively work remotely/from home (where applicable)

EEO Statement

Optiv is an equal opportunity employer. All qualified applicants for employment will be considered without regard to race, color, religion, sex, gender identity or expression, sexual orientation, pregnancy, age 40 and over, marital status, genetic information, national origin, status as an individual with a disability, military or veteran status, or any other basis protected by federal, state, or local law.

Optiv respects your privacy.By providing your information through this page or applying for a job at Optiv, you acknowledge that Optiv will collect, use, and process your information, which may include personal information and sensitive personal information, in connection with Optiv's selection and recruitment activities. For additional details on how Optiv uses and protects your personal information in the application process, click here to view ourApplicant Privacy Notice. If you sign up to receive notifications of job postings, you may unsubscribe at any time.